VocoPro KJM-7900 PRO Bedienungsanleitung

OWNER’S MANUAL

IMPORTANT INFORMATION: Thank

you for purchasing the KJM-7900 PRO .

Tomakefullandeffectiveuseofthisunit,

please read this Owner’s Manual

carefully before operating.

KJM-7900 PRO

PROFESSIONAL SERIES

DIGITAL KARAOKE MIXER

The lightning flash with arrowhead symbol, within an equilateral

triangle is intended to alert the user to the presence of uninsulated

“dangerous voltage” within the product’s enclosure that may be of sufficient

magnitude to constitute a risk of electric shock to persons.

The exclaimation point within an equilateral triangel, is intended to alert

the user to the presence of important operating and maintenance

(servicing) instructions in the literature accompanying the appliance.

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION: TO REDUCE RISK OF ELECTRIC

SHOCK, DO NOT REMOVE COVER

(OR BACK). NO USER-SERVICABLE

PARTS INSIDE. REFER SERVICING TO

QUALIFED SERVICE PERSONNEL

GENERAL WARNING

Congratulations! And thank you for purchasing the Vocopro JKM-7900 PRO.

This unit has been designed with the professional KJ and DJ in mind to assist in

providing the highest quality Karaoke entertainment available. With proper care

and handling, this unit will continue to operate optimally for years. Please read

this manual carefully before getting started. Note: This unit requires an external

amplifier to operate.

TABLE OF CONTENTS

Table of Contents ...................................................................

Before You Start .....................................................................

Quick Start (

REAR PANEL HOOK-UP)

Connecting an Amplifier ..........................................................

Connecting a Music Source ....................................................

Connecting a TV Monitor ... ....................................................

Rear Panel Hook-up (Cont.)....................................................

Parts And Functions (Microphone Input Module) ..................

Parts and Functions (Music Module) ....................................

Parts and Functions (Master Control Module) .......................

Expandability Module ..............................................................

Specifications................................................... .......................

Unpacking the KJM-7900 Pro

Carefully remove the KJM-7900 Prodigitalmixerfrom its packagingandoperate per manualinstructionsbefore discarding thepackaging

materials. If it should become necessary to return the unit for any reason the original packaging materials are best suited for transporting

the unit to minimize any potential damage which may not be covered under the standard warranty.

Thank you for purchasing the KJM-7900 Pro. At VocoPro we care about product quality and customer

satisfaction. We know the KJM-7900 Pro will provide years of quality service and reliable music

entertainment for you when used properly.

BEFORE YOU START

PEASE READ CAREFULLY BEFORE USING THE KJM-7900 PRO

WARNING: Toavoid shockorserious injurydo notattempt

to connect any external devices or cablesto the KJM-7900

without first disconnecting the unit from all power sources.

Connecting an Amplifier to the KJM-7900 Pro

QUICK START (

REAR PANEL HOOK-UP)

Locate the “MASTER 1 OUT” section on the back of the KJM-7900 and the “L” and “R” audio input jacks on your amplification source.

Note: you may need a special “RCA to 1/4”” connector cable if you are using an amplifier with “RCA” type jacks. Connect the “L” and “R”

audio input connectors of your amplifier to the “L” and “R” 1/4” ouput jacks on the back of the unit, labeled “MASTER 1 OUT”. The

“MASTER 1 OUTPUT” section of the KJM-7900 is controled by the “MASTER 1” slide control.

Monoitor Out “L” and “R”

You can connect the “MONITOR OUT, “L and “R” section of the KJM-7900 Pro to a powered monitor, to achieve a seperate monitor

mix for your vocals, by connecting them to the “L” and “R” input connectors of your external “monitor” amplifier. The “MONITOR OUT”

section is controled by the “MASTER 2” slide control.

Record Out “L” and “R”

Connect the “L” and “R” “RECORD OUT” jacks to the left and right ” record in” channels on your recording device. When recording,

setyourrecord levels fromtheKJM-7900 individual channelcontrols.The master volumewillonly give an“audible” volume through your

external speakers and will have no bearing on the record levels.

Master 1 Out

If there is a video output connector on your player, locate the “VIDEO IN” section on the back of the KJM-7900 (to the right of the “audio

in” section) and connect your player’s video out connector to the corresponding “VIDEO IN” connector (example: CD, LD or DVD).

Then connect the video line out from the KJM-7900 to your TV monitor’s line in connector. If it is a television be sure to switch it to video

mode.

Connecting a TV Monitor

Connecting a Music Source to the KJM-7900 Pro

“Source section 3” CD, Laser Disc and DVD Players (with or without a video source)

Locate the “AUDIO IN” section on the back of the KJM-7900. Connect the “L” and “R” output connectors of your player to the

corresponding “L” and “R” RCA input jacks on the back of the unit. (example: CD, LD or DVD).

REAR PANEL HOOK-UP

(CONTINUED)

Insert: To use the “INSERT” effectively you will need an insert cable. The insert cable or “Y” adaptor, as it is sometimes referred to as,

typically has a stereo 1/4” “phone” jack on one end and two mono RCA jacks or 1/4” jacks on the other. Most apadtors of this type are

available at electronics stores, such as Radio Shack. Connect the stereo 1/4” phone jack to the “INSERT” jack on the KJM-7900 then

connect the two “mono” ends to the signal jacks on you external effects unit (see your owners manual). Once your external effects unit is

properly connected to the KJM-7900, you will be able to adjust the incoming signal from your external effects unit (as described your users

manual). In some cases you may receive high frequency “noise” from an external effects unit. In this case, you can adjust some of the

“noise” out by using the high frequency channel “EQ” fader.

Mic Sections 1, 2 and 3

Line: The “LINE” connector jacks can be used to connect a high impedence microphone or an instrument.

Aux 2 L and R: The “AUX 2 SEND” left and right connectors send a stereo signal from the selected channel to an external processing

device. The level at this output is controlled by the AUX The “AUX 1 RETURN” input connectors (stereo) returns the signal from an

external special device and is controlled by the AUX 2 Send fader on the board.

“Source Section’s 1 and 2” (PHONO/LINE)

Source sections 1 and 2 are designed to connect turntables or additional players. If you are connecting a turntable be sure toconnect it to

the “PHONO L and R” jacks.These jacks have a lower signal output and are designed speciffically to connect turntables. Be sureto set the

toggle switch on the board to “phono” otherwise there will be no sound output. Additional players can be connected to the “LINE” input

jacks, however the line inputs have no video switching capability. If you are using a player with video output, and wish to use the video

input you must use the corresponding CD, LD, or DVD input jacks, as they correspond to the video input section.

Aux 1 Send: The “AUX 1 SEND” sends a mono signal from the selected channel to an external mono processing device. Connect the

AUX 1 send to the input of an extrernal effects device. The level for the AUX 1 send is controlled by AUX 1 send fader on each channel.

Auxiliary Send and Return

Aux 1 Return: The “AUX 1 RETURN” input connectors (stereo) returns the signal fron an external special device and is controlled by

the “STEREO RETURN (AUX 1)” located on the board.

“XLR” Connector: Use the “XLR” connector for your low impedence microphone and cable.

Note: The “LINE” and “XLR” inputs will not work at the same time. A microphone connected to the “XLR”

input will cancel out anything connected to the line input.

VIDEO OUT

VIDEO IN

AUDIO IN

VIDEO IN

AUDIO IN

STEREO RETURN

MONITOR OUT RECORD OUT

PARTS AND FUNCTIONS

(MIC INPUT MODULE)

1. Gain: This controls the input level for the “LINE” and “XLR” microphone

inputs for the channel. It can be adjusted from 20dB to 60 dB.

High EQ: This controls the level for a preset high frequency range. Use this

control to boost ro reduce the high end frequencies in the microphone signal.

Note: Feedback can be eliminated or reduced by lowering the amount of high

frequencies in the channel.

Mid EQ: This controls the level for a preset mid frequency range. Use this

control to boost ro reduce the mid frequencies in the microphone signal.

Low EQ: This controls the level for a preset low frequency range. Use this

control to boost or reduce the low frequencies in the microphone signal.

Aux 1: This control works in conjunction with the “master” Aux1 Send on

the Master module panel. It controls the level of “effect” (whatever external

device is connect to the Aux 1) for that individual channel. It is Pre EQ.

Aux 2: This control works in conjunction with the “master” Aux 2 Send on

the Master module panel. It controls the level of the built-in digial echo effect

or whatever external device is connect to the Aux 2 for that individual channel.

It is Post EQ.

Cue: This button monitiors the input signal from the board to the headphones.

Press this button to hear only that channel through the headphones. Note: if

youhavepressed more thanonechannel cue, those channelswillbe audible as

well.

Channel Fader: The fader raises or lowers the microphone volume of that

particular channel.

Pan: This control pans or “balances” the microphone to the left or right for

thatindividualchannel.

Talkover Hold Time: This control is part of the “talkover” feature. It

allows the user to set the amount of time it takes to return the music to normal

volume once the announcer has finished speaking. This feature works in the

“Auto” mode only.+

Talkover Attenuation: This control is part of the “talkover” feature. It

allows the user to set the amount of music to surpress while the

announcer is speaking, thus being able to “talk over” the music.

10.

11.

Talkover Aggisn: This control is part of the “talkover” feature. It

allows the announcer to select the channel he/she wishes to “talk over” on.

12.

Auto Off On: This control is part of the “talkover” feature. It

allows the user to use the talkover feature automatically or by choice. Note:

The talkover feature will only work when the music source is set to

“Master 1”

13.

PARTS AND FUNCTIONS

(MUSIC MODULE)

2. Source Selector: Channel 3 allows the user to connect up to three players

with video output. The source selector switch makes it possible to switch

easily between players by “toggleing” it to the desired position.

3. Gain: This controls the input level for players connected to the

corresponding channel. It can be adjusted from 20dB to 60 dB.

1. Source Selector: Channels 1 and 2 allow the user to connect two players

without video output. The source selector switch makes it possible to switch

easily between players by “toggleing” it to the desired position.

11.Channel Fader: The fader raises or lowers the music volume of that

particular channel.

Balance: This control “balances” the music signal between the left and right

channels.

Crossfader Assign Toggles: These toggles work in conjunction with the

crossfader slide control. They allow the user to select the channels to be

included in the “cross fade”.

Master 1 / Master 2 & Key Control Switch: This switches the music

between the Master 1 channel and the Master 2/Key Control channel.

Important: In order to use the key control feature the switch must

be in the down position.

12.

13.

Cross Fader Slide Control: The slide control allows the user to fade the

music out from one source and fade in to another source to creating a

“blending” effect of the music.

14.

High EQ: This controls the level for a preset high frequency range. Use this

control to boost ro reduce the high end frequencies in the music signal.

Mid EQ: This controls the level for a preset mid frequency range. Use this

control to boost ro reduce the mid frequencies in the music signal.

Low EQ: This controls the level for a preset low frequency range. Use this

control to boost or reduce the low frequencies in the music signal.

7. Aux 1: This control works in conjunction with the “master” Aux1 Send on

the Master module panel. It controls the level of “effect” (whatever external

device is connect to the Aux 1) for that individual channel. It is Pre EQ.

10.Cue:This button monitiors the input signal from the board to the headphones.

Press this button to hear only that channel through the headphones. Note: if

youhavepressed more thanonechannel cue, those channelswillbe audible as

well.

9. Aux 2 On /Off Switch: This control works in conjunction with the “Master”

Aux 2” Send and the built in digital echo effect on the Master module panel.

In the up position Aux 2 is bypassed.

PARTS AND FUNCTIONS

(MASTER CONTROL MODULE)

and expandability module...

11. Cue Level: This sets the level within the headphones.

Echo On/Off Switch: The digital “effects” (echo, repeat and delay)

can be set to the desired levels and switched off when not in use by

pressing the switch to the down position.

Master 1 Fader: This raises or lowers the volume for the master 1

output jack.

Master 2 Fader (Monitor Output): This raises or lowers the

volume for the Master 2 output jacks. Note:

14.

Headphone Jack

Digital Key Control & Multiplex: The digital key control feature

works in the Master 2 mode. Press the Master 2/Key Control button

on the desired channel (to the down position) then adjust the key

control up or down to raise or lower the “key” of the music.

The Multiplex feature works only with discs recorded in the

“multiplex”format.It willdeletethevocal tractonmultiplex CD’s

or tapes.

Delay: Adjusts the length of each interval. The amount of delay for

each mic channel is controlled by the Aux 2 (post) fader.

Repeat: Adjuststheinterval repetition oftheecho effect.Theamount

of repeat for each mic channel is controlled by the Aux 2 (post) fader.

7. Echo: Adjusts the echo parameter (-5 - +5) for the overall amount of

digital effect on the mic channels. The amount of echo for each mic

channel is controlled by the Aux 2 (post) fader.

10. Master/Cue Headphone Switch: Switches the LED level meter

between the entire mix or “cue” signals from individual channels.

9. Master 1/Master 2: This allows the user to select between the

Master 1 mode or Master 2 mode. Note: This must be set in theMaster

2 position in order to send the key control signal to a monitor.

15.

16.

17.

Aux 1SendMaster Contol: Sets the master level for the signal being

sent to an external effects unit through the Aux 1 Send jack. Note: The

key control feature is by-passed through this send.

Aux 2 Send Master Control: Sets the master level for the signal

being sent to an external effects unit through the Aux 2 jacks. Note:

The Aux 2 On/Off switch(s) on the music module must be set in the

down position to work with the Aux 2 Send Master Control. Note:

The key control feature is by-passed through this send.

Stereo Return (Aux 1) Master Control: Controls the signal being

received from an external effects unit.

13.

2. Power On/Off

LED Level Meter: Displays sound or cue levels

from the music sources.

1. DC 12V Lamp Connector

12.

AND SPECIFICATIONS

EXPANDABILITY

MODULE

EXPANDABILITY MODULE

Module C2

Mic Input

Connector…………………XLR Jack/balanced

Input Impedance………….1.5kΩ

Maximum Input Level…….+20dBu

Line Input

Connector…………………1/4” Jack/balanced

Input Impedance………….10kΩ

Maximum Input Level…….+20dBu

T.H.D……………………….<0.05%

Noise……………………….80dB

Tone

High/Mid/Low……………..+/-12dB

Talkover

Hold time…………………..up to 6S

Attenuation…………………-4dB - -20dB

Module P2

Phono Input

Connector……………….RCA Jack

Input Impedance………..47kΩ

Nominal Input Level……3mV

RIAA……………………..+/-1dB

Line Input

Connector……………….RCAJack

Input Impedance………..30kΩ

Maximum Input Level…...+20dBu

T.H.D…………………………<0.05%

Noise…………………………80dB

Tone High/Mid/Low……………+/-12dB

Module A5

Aux 1 & Aux 2 Stereo Return Input

Connector…………………...RCA & 1/4” Jack

Input Impedance……………18kΩ

Maximum Input Level………+20dBu

Master Outputs

Connector……………………RCA Jack

Maximum Output……………Level+22dBu

T.H.D…………………………..<0.05%

Noise…………………………..80dB

Headphone……………………30mW/16 Ohms

Metering……………………….12 Segment LED Bargraph

Echo Delay Time……………..Up to 300mS

The KJM-7900 Pro Expandability

Module (KJ-Module) can be purchased

separately through your authorized

VocoProdealer. One KJ-Module canbe

usedtoaddthreeadditionalmicchannels

OR three additional music channels to

yourKJM-7900 mixer..

KJM-7900 SPECIFICATIONS

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